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Improve diff op grouping for full matches

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This changes the behavior of the diff op grouping function to return
an empty result if the diff is a full match.  This also adds an example
to demonstrate unified diff rendering.
This commit is contained in:
Armin Ronacher 2021-01-30 23:11:35 +01:00
parent 4459c5ee3a
commit 020701c4d5
5 changed files with 62 additions and 3 deletions
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5
src/algorithms/capture.rs
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@ -222,8 +222,9 @@ pub fn group_diff_ops(mut ops: Vec<DiffOp>, n: usize) -> Vec<Vec<DiffOp>> {
pending_group.push(op);
}
if !pending_group.is_empty() {
rv.push(pending_group);
match &pending_group[..] {
&[] | &[DiffOp::Equal { .. }] => {}
_ => rv.push(pending_group),
}
rv